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Elodia [21]
3 years ago
8

4x2 - 5 + x + 5x2 + 3x - 9

Mathematics
2 answers:
Mnenie [13.5K]3 years ago
4 0

Answer:

9x2+4x−14

Step-by-step explanation:

brilliants [131]3 years ago
4 0
Expression simplified:

4x + 4

Hope it helps
Have a great day :D

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This is how I got the answer it’s c

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On a piece of paper graph......
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I think it’s the first one, A
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Lucy’s mom gave Lucy and her 3 friends an equal amount of juice from the 30 ounces she had left. How much juice did each person
grigory [225]
D) 7 1/2 is the answer you are looking for


5 0
3 years ago
According to the graph, what is the value of the constant in the equation
wolverine [178]

The question is missing the graph. So, it is attached below.

Answer:

(D) 3.2

Step-by-step explanation:

Given:

A graph of height versus width.

The equation given is:

Height = constant × Width

Rewriting in terms of 'constant'. This gives,

\textrm{Constant}=\frac{Height}{Width}------------- (1)  

The width is plotted on the X-axis and the corresponding height is plotted on the Y-axis.

The four points plotted on the line are:

(x, y) = (0.5, 1.6), (1, 3.2), (2, 6.4)\ and\ (3, 9.6).

Now, any point will satisfy equation (1).

Consider the point (0.5, 1.6). So, height = 1.6 and width = 0.5. Therefore,

\textrm{Constant}=\frac{Height}{Width}\\\\\textrm{Constant}=\frac{1.6}{0.5}=3.2

Also, we observe that for all the remaining points,

\dfrac{3.2}{1}=\dfrac{6.4}{2}=\dfrac{9.6}{3}=3.2.

Hence, the value of the constant is 3.2.

Option (D) is correct.

4 0
3 years ago
-(-21) = -21 true or false
Kryger [21]

Answer:

False

Step-by-step explanation:

-(-21) is positive 21 since there are 2 negative signs, and -21 is negative, therefore they are not the same.

Hope this helps!

8 0
4 years ago
Read 2 more answers
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